Recording modified: Frequencies above 640hz reduced by 12db and frequencies below 320 amplified as well. The overall recording has been amplified significantly by around 30db as well.
Part of a 13 hour recording session where the microphones were left by a waterhole overnight.

Recording modified: Frequencies above 640hz brought down by 12db and the frequencies between 160-320hz have been raised by 12db. The recording has also been significantly amplified.
Recorded in a dry river bed on the Limpopo River. This is part of a 2 hour recording where the mics were left alone to record the pre-dawn to dawn, I was about 1km away from the microphones.